Player Page

Johnson, C (Caleb)
Dob: 2007/05/23 (U18)
Gender: Male
Chess SA id: 107078828
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (49 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1541.0
Current Weighted rating1541.6
Current Weighted performance1434.6
Current official/published rating (highest between Raw, WR and WP)1541.6
Current highest rating achieved1568.6
Current floor (min rating allowed)1068.6
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±102.0
Current Raw change used (final)0.0
Projected new Raw rating1541.0
Projected new Weighed rating1419.4
Projected new Weighted performance1434.6
Projected new final Raw rating (if new WP > new Raw)1541.0
Projected new highest rating1568.6
Projected new floor1068.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1541.0
Projected effective change (new Official - current Official)-0.6
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1526.3
Current Weighted rating1533.7
Current Weighted performance1407.0
Current official/published rating (highest between Raw, WR and WP)1533.7
Current highest rating achieved1558.6
Current floor (min rating allowed)1058.6
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±104.2
Current Raw change used (final)0.0
Projected new Raw rating1526.3
Projected new Weighed rating1412.1
Projected new Weighted performance1407.0
Projected new final Raw rating (if new WP > new Raw)1526.3
Projected new highest rating1558.6
Projected new floor1058.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1526.3
Projected effective change (new Official - current Official)-7.4
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1168.0
Current Weighted rating1168.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1168.0
Current highest rating achieved1168.0
Current floor (min rating allowed)668.0
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±173.6
Current Raw change used (final)0.0
Projected new Raw rating1168.0
Projected new Weighed rating1074.6
Projected new Weighted performance316.8
Projected new final Raw rating (if new WP > new Raw)1168.0
Projected new highest rating1168.0
Projected new floor668.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1168.0
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1347.0
Current Weighted rating1292.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1347.0
Current highest rating achieved1347.0
Current floor (min rating allowed)847.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±134.5
Current Raw change used (final)0.0
Projected new Raw rating1347.0
Projected new Weighed rating1191.4
Projected new Weighted performance929.5
Projected new final Raw rating (if new WP > new Raw)1347.0
Projected new highest rating1347.0
Projected new floor847.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1347.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Gauteng Schools Individuals Finals 2024 (U18 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1568.6 1558.6 Analysis
3 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) 2024/07/27 2024/07/27 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 7.0 1559.1 1290.8 Analysis
2 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1545.3 1542.6 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1542.3 1539.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
36 Gauteng Schools Individuals Finals 2024 (U18 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1568.6 1558.6 Analysis
35 Helpmekaar Kollege Blitz Chess Invitational 2024 (A) 2024/07/27 2024/07/27 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 7.0 1559.1 1290.8 Analysis
34 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1545.3 1542.6 Analysis
33 2024 Gauteng Inter-Region Chess Championship (U18A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1542.3 1539.1 Analysis
32 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 4.5 1534.0 1513.9 Analysis
31 JMC Closed Aug 2023 (U18+U20) 2023/08/04 2023/08/06 Johannesburg Metro (GJM) Standard 90 0.94 6 5 2.0 1534.0 1513.9 Analysis
30 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 2023/07/30 2023/07/30 Johannesburg Metro (GJM) Blitz 8 0.25 7 6 5.0 1524.3 1200.0 Analysis
29 JNW Open - Trinityhouse Little Falls 2023 (B) 2023/06/24 2023/06/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1535.5 1526.4 Analysis
28 Mzansi Fide Open 2023 (Advanced) 2023/04/27 2023/05/01 Johannesburg Metro (GJM) Standard 120 1.00 6 6 3.5 1508.0 1502.7 Analysis
27 JMC 1 St Peters 2023 (B) 2023/03/18 2023/03/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1466.3 1449.3 Analysis
26 Grey College Team Championship 2023 (A) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 2.0 1494.2 1488.3 Analysis
25 ACB Tournament 2022 (A) 2022/10/07 2022/10/08 Ekurhuleni (GE) Standard 90 0.94 5 5 3.0 1466.5 1456.3 Analysis
24 JMC 3rd Trials 2022 (A) 2022/09/11 2022/09/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.5 1511.1 1509.4 Analysis
23 JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18) 2022/07/24 2022/07/24 Johannesburg Metro (GJM) Standard 60 0.83 5 4 3.5 1488.5 1480.3 Analysis
22 Alberton Chess Club Open 2022 (B) 2022/07/16 2022/07/16 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1488.5 1480.3 Analysis
21 Mzansi Open 2022 (Prestige) 2022/04/30 2022/05/02 Johannesburg Metro (GJM) Standard 120 1.00 6 6 1.5 1526.6 1517.4 Analysis
20 South African Junior Closed Chess Championships 2022 (U16 Open) 2022/03/28 2022/04/02 Chess South Africa (CSA) Standard 120 1.00 11 11 6.0 1514.8 1505.9 Analysis
19 Goforchess Junior Championship 2022 (Grayston) 2022/03/06 2022/03/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1507.1 1496.0 Analysis
18 2022 Gauteng Interregion (U16 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1482.9 1465.0 Analysis
17 Pinnacle College Waterfall Open (Pinnacle) 2021/10/02 2021/10/03 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1512.4 1494.8 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 24 14 5 5 16.5 68.8 159.4 1427.4 1586.8
White 14 7 4 3 9.0 64.3 121.4 1468.7 1590.2
Black 10 7 1 2 7.5 75.0 212.5 1369.6 1582.1
Standard All 15 7 5 3 9.5 63.3 113.3 1421.2 1534.6
White 9 3 4 2 5.0 55.6 47.2 1494.4 1541.6
Black 6 4 1 1 4.5 75.0 212.5 1311.5 1524.0
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 9 7 0 2 7.0 77.8 236.1 1437.8 1673.9
White 5 4 0 1 4.0 80.0 255.0 1422.5 1677.5
Black 4 3 0 1 3.0 75.0 212.5 1456.8 1669.3
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 197 111 35 51 128.5 65.2 129.4 1335.9 1465.4
White 106 56 19 31 65.5 61.8 100.2 1350.0 1450.2
Black 91 55 16 20 63.0 69.2 163.5 1319.5 1483.0
Standard All 177 96 34 47 113.0 63.8 117.7 1327.0 1444.7
White 96 49 19 28 58.5 60.9 93.0 1343.1 1436.0
Black 81 47 15 19 54.5 67.3 146.9 1308.1 1455.0
Rapid All 5 3 1 1 3.5 70.0 170.0 1376.0 1546.0
White 2 1 0 1 1.0 50.0 0.0 1328.7 1328.7
Black 3 2 1 0 2.5 83.3 283.3 1407.6 1690.9
Blitz All 15 12 0 3 12.0 80.0 255.0 1427.3 1682.3
White 8 6 0 2 6.0 75.0 212.5 1438.4 1650.9
Black 7 6 0 1 6.0 85.7 303.6 1414.6 1718.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 108076196 Potgieter, E (Edward) 5 0.5 0 1 4 10.0 1540.9 -340.0 1200.9 View list
2 107069948 Jones, W (William) 5 0.0 0 0 5 0.0 1525.2 -425.0 1100.2 View list
3 106050282 Voigt, H (Heinrich) 3 2.5 2 1 0 83.3 1542.9 283.3 1826.2 View list
4 106050532 Delport, B (Ben) 3 2.0 2 0 1 66.7 1444.3 141.7 1586.0 View list
5 106060687 Greef, S (Schalk) 3 2.0 2 0 1 66.7 1315.9 141.7 1457.5 View list
6 1070104078 Price, DR (Daelen) 3 1.0 1 0 2 33.3 1395.1 -141.7 1253.5 View list
7 1060117655 Mabaso, J (Jabulani) 2 2.0 2 0 0 100.0 1485.7 425.0 1910.7 View list
8 106053199 Mazibuko, T (Thembinkosi) 2 2.0 2 0 0 100.0 1440.8 425.0 1865.8 View list
9 1060103628 Rai, T (Tripti) 2 2.0 2 0 0 100.0 1270.7 425.0 1695.7 View list
10 107090302 Setshedi, N (Neo) 2 2.0 2 0 0 100.0 1367.0 425.0 1792.0 View list
11 2120109902 Suresh, A (Aaradhya) 2 2.0 2 0 0 100.0 1515.7 425.0 1940.7 View list
12 107060719 Van Blomestein, M (Matthew) 2 2.0 2 0 0 100.0 1392.5 425.0 1817.5 View list
13 107059743 Van Jaarsveld, H (Heinu) 2 2.0 2 0 0 100.0 1428.9 425.0 1853.9 View list
14 1060134486 Donald, J (Joshua) 2 1.5 1 1 0 75.0 1520.4 212.5 1732.9 View list
15 107088030 Lusi, L (Lunathi) 2 1.5 1 1 0 75.0 1512.0 212.5 1724.5 View list
16 106084365 Singh, N (Nimai) 2 1.5 1 1 0 75.0 1501.7 212.5 1714.2 View list
17 103064968 Steyn, C (Corne) 2 1.5 1 1 0 75.0 1219.2 212.5 1431.7 View list
18 109081098 Naidoo, K (Kirthan) 2 1.0 1 0 1 50.0 1469.5 0.0 1469.5 View list
19 1890115391 Ilenikhena, B (Basil) 2 1.0 0 2 0 50.0 1518.8 0.0 1518.8 View list
20 107057529 Burgers, AJ (Adriaan) 2 0.5 0 1 1 25.0 1281.5 -212.5 1069.0 View list